CVE-2025-38460high

CVE-2025-38460: fallo de gravedad alta en Linux

atm: clip: Fix potential null-ptr-deref in to_atmarpd().

Publicada el · Actualizada el

21Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 7epss 0.2%
probabilidad de explotación
0.2%top 94% de las CVE
explotación observada
noninguna fuente lo reporta
In the Linux kernel, the following vulnerability has been resolved: atm: clip: Fix potential null-ptr-deref in to_atmarpd(). atmarpd is protected by RTNL since commit f3a0592b37b8 ("[ATM]: clip causes unregister hang"). However, it is not enough because to_atmarpd() is called without RTNL, especially clip_neigh_solicit() / neigh_ops->solicit() is unsleepable. Also, there is no RTNL dependency around atmarpd. Let's use a private mutex and RCU to protect access to atmarpd in to_atmarpd().
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Productos afectados
Linux · Linux
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Referencias
https://git.kernel.org/stable/c/06935c50cfa3ac57cce80bba67b6d38ec1406e92https://git.kernel.org/stable/c/3251ce3979f41bd228f77a7615f9dd616d06a110https://git.kernel.org/stable/c/36caab990b69ef4eec1d81c52a19f080b7daa059https://git.kernel.org/stable/c/706cc36477139c1616a9b2b96610a8bb520b7119https://git.kernel.org/stable/c/70eac9ba7ce25d99c1d99bbf4ddb058940f631f9https://git.kernel.org/stable/c/a4c5785feb979cd996a99cfaad8bf353b2e79301https://git.kernel.org/stable/c/ee4d9e4ddf3f9c4ee2ec0a3aad6196ee36d30e57https://git.kernel.org/stable/c/f58e4270c73e7f086322978d585ea67c8076ce49https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlhttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html